Description:Features：100% Brand New and High Quality.Connect your speaker with our device，immediately transform your speakers into a fashionable wireless bluetooth speaker.Bulit -in high -quality microphone which can enhance voice quality and cancel the noise and echo.Share your music wirelessly from mobile phone， Notebook， PC， tablet PC， iphone and other Bluetooth device when connect with Aux speaker.Wireless music receiver connects to 3.5mm headphone jacksBuilt-in microphone with Bluetooth hands-free function.Powered by built -in rechargeable lithium battery via mini USB port ， long working time and low consumption.It will redial after press the button twice.Compatible Models : Android Smartphone's， Apple iPhone， iPod Nano， iPod Touch， Samsung Galaxy， Blackberry， HTC， LG， SONY， Tablets， MP3 Players & More.Specifications:Bluetooth version:Bluetooth V3.0 + EDROperating range 10m-20m Battery Capacity: 100mA/3.7VFrequency range: 2402MHz-2480MHzNoise Rtio: >75dBSize: 5.0 x 4.0 x 1.1 cmPackage included:1 x Bluetooth Receiver1 x Micro USB charging cable1 x User Manual